7093520
(Replaces 708300B)
Figure 2. Vent & combustion air Intake Pipe Installation
5" to 13"
10" Min.
15' Max.
1" Min.
Screw
Roof
Flashing
Roof
Lower Vent
Chase Pipe
Screw
Furnace
2" Dia. Rubber
Coupling
(Both Sides)
Seal With
Silicone Sealant
Replacement Cap
Add 2 or More Screws Thru
Upper & Lower Pipes to
Prevent Telescoping
Upper Vent
Chase Pipe
(8" Dia.)
Replacement Cap
Seal With
Silicone Sealant
8" Max.
12” Min.
above roof
or expected
snow level
2" X 90
o
Elbow
Large Radius
Hub x Hub 2 Req.
2" X 90
o
Elbow - Large
Radius Spig X Hub
(Both Sides)
2" X 90
o
Elbow - Large
Radius Hub X Hub
(Both Sides)
Top Roof
Jack Assy
Screws
Roof Flashing
Rivets
Bracket
Outer Flue
Pipe Assy
Upper Combustion
Air Intake Pipe
Bracket
Lower Combustion
Air Intake Pipe
Bracket
Figure 1. Typical Existing Roof Jack
Specifications & illustrations subject to change without notice or incurring obligations (05/15).
O’Fallon, MO, © Nortek Global HVAC LLC 2015. All Rights Reserved.
